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5 MAINTENANCE
5.1 Service programme
In order to keep the machine in good condition as
regards reliability and operational safety as well as
from an environmental perspective, STIGA’s Ser-
vice programme should be followed.
The contents of this programme can be found in
the attached service log.
Basic service
must always be carried out by an au-
thorised workshop.
First service and intermediate service
should be
carried out by an authorised workshop, but can
also be carried out by the user. The content of this
can be found in the service log and the actions are
described under “4 STARTING AND OPERA-
TION” as well as below.
Servicing carried out at an authorised workshop
guarantees professional work using genuine spare
parts.
At each basic service and intermediate service car-
ried out at an authorised workshop, the service log
is stamped. A service log presenting these services
is a valuable document that improves the ma-
chine’s second-hand value.
5.2 Preparation
All service and all maintenance must be carried out
on a stationary machine with the engine switched
off.
Prevent the machine from rolling by al-
ways applying the parking brake.
Stop the engine.
Prevent unintentional starting of the
engine by disconnecting the spark plug
cable(s) from the spark plug(s) and re-
moving the ignition key.
5.3 Tyre pressure
Adjust the air pressure in the tyres as follows:
Front: 0.6 bar (9 psi).
Rear: 0.4 bar (6 psi).
5.4 Changing engine oil, filter
This section contains tables covering the different
engines that are included in STIGA’s Pro range. To
facilitate reading, mark the data that applies to the
relevant machine/engine.
5.4.1 Change intervals
The table below states hours of operation and cal-
endar months. Carry out the relevant action at
whichever occurs first.
Change the oil more frequently if the engine has to
operate in demanding conditions or if the ambient
temperature is high.
5.4.2 Engine Oil
Use oil according to the table below.
Use oil without any additives.
Do not fill with too much oil. This can cause the
engine to overheat.
Change oil when the engine is warm.
The engine oil may be very hot if it is
drained off directly after the engine is
shut off. Therefore allow the engine to
cool a few minutes before draining the
oil.
Machine
1st time Then at
intervals of
Pro16 Pro20 (B&S) Hours of operation/Cal-
endar months
Changing the oil
5 hours
50 hours/
12 months
Replacing the filter. - 100 hours
Pro25 (Kohler) Hours of operation/Cal-
endar months
Changing the oil - 100 hours
Replacing the filter. - 200 hours
Pro Svan (Honda) Hours of operation/Cal-
endar months
Changing the oil 20 hours/
1 month
100 hours/
6 months
Replacing the filter.
-
100 hours/
6 months
Machine Oil
Pro16 Pro20 (B&S) Grade Service
class
All temperatures SAE 10W-40 SF
or higher
Below -18° C SAE 5W-30
Above 0° C SAE30
Pro25 (Kohler) Grade Service
class
Above -18° C SAE 10W-40 SG
or higher
Below 0° C SAE 5W-20/30
Pro Svan (Honda) Grade Service
class
All temperatures SAE 10W-40 SJ
or higher
Below 0° C SAE 5W-30
Above 10° C SAE30